10-letter words containing p, a, r, o
- pyromantic — divination by fire, or by forms appearing in fire.
- pyrophobia — an abnormal fear of fire.
- pyrrophyta — a phylum in the kingdom Protista comprising the dinoflagellates and cryptomonads.
- pythagoras — c582–c500 b.c, Greek philosopher, mathematician, and religious reformer.
- quadcopter — A rotorcraft propelled by four rotors.
- quadripole — an electric circuit with two input and two output terminals
- quadrupole — a set of four associated positive and negative electric charges or two associated magnetic dipoles
- quakeproof — designed or built to withstand the destructive forces of an earthquake.
- radarscope — the viewing screen of radar equipment.
- radio play — a play written for broadcasting on radio
- radiograph — Also called shadowgraph. a photographic image produced by the action of x-rays or nuclear radiation.
- radiopager — a small radio receiver fitted with a buzzer to alert a person to telephone their home, office, etc, to receive a message
- radiopaque — opaque to radiation; visible in x-ray photographs and under fluoroscopy (opposed to radiotransparent).
- radiophare — a radiotelegraphic station used by vessels to determine their positions; radio beacon.
- radiophone — a radiotelephone.
- radiophoto — an image created by radio waves rather than light
- radioscope — an instrument, such as a fluoroscope, capable of detecting radiant energy
- radioscopy — the examination of objects opaque to light by means of another form of radiation, usually x-rays.
- rampageous — violent; unruly; boisterous.
- range pole — a conspicuously painted pole held upright to show the position of a survey mark.
- rapportage — the factual reporting or recounting of events in writing
- rapporteur — a person responsible for compiling reports and presenting them, as to a governing body.
- rat poison — substance toxic to rodents
- re-approve — to speak or think favorably of; pronounce or consider agreeable or good; judge favorably: to approve the policies of the administration.
- read up on — If you read up on a subject, you read a lot about it so that you become informed about it.
- readoption — the adoption of something or someone again
- reapproach — to come near or nearer to: The cars slowed down as they approached the intersection.
- reapproval — the act of approving; approbation.
- reciprocal — given or felt by each toward the other; mutual: reciprocal respect.
- recoupable — to get back the equivalent of: to recoup one's losses by a lucky investment.
- renography — x-ray examination of the kidney following injection of a radiopaque substance.
- reparation — the making of amends for wrong or injury done: reparation for an injustice.
- reparatory — tending to repair; repairing; mending.
- replicator — Any construct that acts to produce copies of itself; this could be a living organism, an idea (see meme), a program (see quine, worm, wabbit, fork bomb, and virus), a pattern in a cellular automaton (see life), or (speculatively) a robot or nanobot. It is even claimed by some that Unix and C are the symbiotic halves of an extremely successful replicator; see Unix conspiracy.
- repolarize — to polarize again or become polarized again
- repopulate — to inhabit; live in; be the inhabitants of.
- reportable — an account or statement describing in detail an event, situation, or the like, usually as the result of observation, inquiry, etc.: a report on the peace conference; a medical report on the patient.
- repoussage — the art or process of working in repoussé.
- reproached — to find fault with (a person, group, etc.); blame; censure.
- reprobance — reprobation.
- reprobator — an action taken to demonstrate that a witness should be disqualified or rejected on account of perjury or other cause of invalidity
- reprovable — deserving of reproof.
- reputation — the estimation in which a person or thing is held, especially by the community or the public generally; repute: a man of good reputation.
- respirator — a masklike device, usually of gauze, worn over the mouth, or nose and mouth, to prevent the inhalation of noxious substances or the like.
- rhapsodist — a person who rhapsodizes.
- rhapsodize — to talk with extravagant enthusiasm.
- rhinophyma — a red-coloured bump or bumps on the nose which form as a result of enlarged sebaceous glands and rosacea
- rhizoplane — the part of the root of a plant that is near the soil surface
- rhodophane — the red colour found in the inner cones of the retina in animals
- rhodoplast — a plastid found in red algae, containing red pigment as well as chlorophyll